Monsoon-influenced hot-summer humid continental climate; these climates are characterized by extreme seasonal changes. Winters are very cold with the coldest month averaging below 0 °C. Summers are hot with at least one month's average temperature above 22 °C, and at least four months averaging above 10 °C. Seasonal changes in precipitation are also extreme, with tropical monsoon conditions producing excessive rainfall in the summer. At least ten times as much rain falls in the wettest month of summer as in the driest month of winter (alternative definition is 70% or more of average annual precipitation is received in the warmest six months).